Home / 804,536,305.90-1,206,804,458.85-287,550,501.10

Finding the Fourth Proportional to 804,536,305.90, 1,206,804,458.85 and 287,550,501.10

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Solution

The fourth proportional to 804,536,305.90, 1,206,804,458.85 and 287,550,501.10 is: 431,325,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,536,305.90 : 1,206,804,458.85 = 287,550,501.10 : x
  2. Step 2: Convert to fraction form
    804,536,305.90/1,206,804,458.85 = 287,550,501.10/x
  3. Step 3: Cross multiply
    804,536,305.90x = 1,206,804,458.85 × 287,550,501.10
  4. Step 4: Simplify right side
    804,536,305.90x = 347,017,226,872,031,808
  5. Step 5: Solve for x
    x = 347,017,226,872,031,808/804,536,305.90
  6. Step 6: Final answer
    x = 431,325,751.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.